Browse Source
git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@5063 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61shortcuts
Daniel Grunwald
16 years ago
9 changed files with 271 additions and 239 deletions
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// <file>
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// <copyright see="prj:///doc/copyright.txt"/>
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// <license see="prj:///doc/license.txt"/>
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// <owner name="Daniel Grunwald"/>
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// <version>$Revision$</version>
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// </file>
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using System; |
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using ICSharpCode.AvalonEdit.Document; |
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namespace ICSharpCode.AvalonEdit.Indentation.CSharp |
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{ |
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/// <summary>
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/// Smart indentation for C#.
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/// </summary>
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public class CSharpIndentationStrategy : DefaultIndentationStrategy |
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{ |
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/// <summary>
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/// Creates a new CSharpIndentationStrategy.
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/// </summary>
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public CSharpIndentationStrategy() |
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{ |
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} |
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/// <summary>
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/// Creates a new CSharpIndentationStrategy and initializes the settings using the text editor options.
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/// </summary>
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public CSharpIndentationStrategy(TextEditorOptions options) |
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{ |
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this.IndentationString = options.IndentationString; |
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} |
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string indentationString = "\t"; |
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/// <summary>
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/// Gets/Sets the indentation string.
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/// </summary>
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public string IndentationString { |
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get { return indentationString; } |
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set { |
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if (string.IsNullOrEmpty(value)) |
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throw new ArgumentException("Indentation string must not be null or empty"); |
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indentationString = value; |
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} |
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} |
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/// <summary>
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/// Performs indentation using the specified document accessor.
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/// </summary>
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/// <param name="document">Object used for accessing the document line-by-line</param>
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/// <param name="keepEmptyLines">Specifies whether empty lines should be kept</param>
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public void Indent(IDocumentAccessor document, bool keepEmptyLines) |
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{ |
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if (document == null) |
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throw new ArgumentNullException("document"); |
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IndentationSettings settings = new IndentationSettings(); |
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settings.IndentString = this.IndentationString; |
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settings.LeaveEmptyLines = keepEmptyLines; |
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IndentationReformatter r = new IndentationReformatter(); |
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r.Reformat(document, settings); |
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} |
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/// <inheritdoc cref="IIndentationStrategy.IndentLine"/>
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public override void IndentLine(TextDocument document, DocumentLine line) |
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{ |
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int lineNr = line.LineNumber; |
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TextDocumentAccessor acc = new TextDocumentAccessor(document, lineNr, lineNr); |
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Indent(acc, false); |
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string t = acc.Text; |
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if (t.Length == 0) { |
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// use AutoIndentation for new lines in comments / verbatim strings.
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base.IndentLine(document, line); |
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} |
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} |
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/// <inheritdoc cref="IIndentationStrategy.IndentLines"/>
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public override void IndentLines(TextDocument document, int beginLine, int endLine) |
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{ |
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Indent(new TextDocumentAccessor(document, beginLine, endLine), true); |
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} |
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} |
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} |
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// <file>
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// <copyright see="prj:///doc/copyright.txt"/>
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// <license see="prj:///doc/license.txt"/>
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// <owner name="Daniel Grunwald" email="daniel@danielgrunwald.de"/>
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// <version>$Revision$</version>
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// </file>
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using System; |
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using System.Collections.Generic; |
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using System.IO; |
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using ICSharpCode.AvalonEdit.Document; |
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namespace ICSharpCode.AvalonEdit.Indentation.CSharp |
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{ |
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/// <summary>
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/// Interface used for the indentation class to access the document.
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/// </summary>
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public interface IDocumentAccessor |
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{ |
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/// <summary>Gets if the current line is read only (because it is not in the
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/// selected text region)</summary>
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bool ReadOnly { get; } |
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/// <summary>Gets the number of the current line.</summary>
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int LineNumber { get; } |
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/// <summary>Gets/Sets the text of the current line.</summary>
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string Text { get; set; } |
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/// <summary>Advances to the next line.</summary>
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bool Next(); |
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} |
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#region TextDocumentAccessor
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/// <summary>
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/// Adapter IDocumentAccessor -> TextDocument
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/// </summary>
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public sealed class TextDocumentAccessor : IDocumentAccessor |
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{ |
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readonly TextDocument doc; |
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readonly int minLine; |
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readonly int maxLine; |
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/// <summary>
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/// Creates a new TextDocumentAccessor.
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/// </summary>
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public TextDocumentAccessor(TextDocument document) |
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{ |
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if (document == null) |
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throw new ArgumentNullException("document"); |
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doc = document; |
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this.minLine = 1; |
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this.maxLine = doc.LineCount; |
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} |
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/// <summary>
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/// Creates a new TextDocumentAccessor that indents only a part of the document.
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/// </summary>
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public TextDocumentAccessor(TextDocument document, int minLine, int maxLine) |
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{ |
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if (document == null) |
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throw new ArgumentNullException("document"); |
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doc = document; |
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this.minLine = minLine; |
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this.maxLine = maxLine; |
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} |
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int num; |
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string text; |
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DocumentLine line; |
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/// <inheritdoc/>
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public bool ReadOnly { |
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get { |
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return num < minLine; |
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} |
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} |
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/// <inheritdoc/>
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public int LineNumber { |
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get { |
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return num; |
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} |
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} |
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bool lineDirty; |
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/// <inheritdoc/>
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public string Text { |
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get { return text; } |
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set { |
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if (num < minLine) return; |
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text = value; |
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lineDirty = true; |
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} |
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} |
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/// <inheritdoc/>
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public bool Next() |
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{ |
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if (lineDirty) { |
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doc.Replace(line, text); |
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lineDirty = false; |
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} |
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++num; |
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if (num > maxLine) return false; |
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line = doc.GetLineByNumber(num); |
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text = doc.GetText(line); |
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return true; |
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} |
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} |
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#endregion
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} |
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